Swim fin



FIG. 1 is a top view of a swim fin embodying my new design;

FIG. 2 is a cross-sectional view taken along the line 2--2 in FIG. 1;

FIG. 3 is a bottom view of the swim fin shown in FIG. 1;

FIG. 4 is an elevational view of the swim fin of FIG. 1 taken from the left side thereof, the view from the right side being the mirror imageof FIG. 4;

FIG. 5 is a front view of the swim fin shown in FIG. 1;

FIG. 6 is a rear view of the swim fin shown in FIG. 1;

FIG. 7 is a cross-sectional view taken along the line 7--7 of FIG. 1;

FIG. 8 is a cross-sectional view taken along the line 8--8 of FIG. 1 with the side straps and upstanding rear extension being omitted for ease of illustration; and

FIG. 9 is a cross-sectional view taken along the line 9--9 of FIG. 2. 

The ornamental design for a swim fin, as shown and described. 